Hudbay Minerals to Acquire Arizona Sonoran Copper

The acquisition will create a major copper production hub in the U.S.

Published on Mar. 8, 2026

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Hudbay Minerals has agreed to acquire Arizona Sonoran Copper, which controls the Cactus copper project in Arizona. The combined assets will establish the third-largest copper district in North America and a significant hub for U.S. copper production. The Cactus project is expected to add around 103,000 tonnes of annual copper output once developed, with proven and probable reserves of 5.3 billion pounds over a 20-year mine life.

Why it matters

The acquisition highlights the growing value of copper assets as demand for the metal increases due to its use in renewable energy infrastructure and electric vehicles. With many of the world's largest copper mines aging, small-cap miners with promising projects like Arizona Sonoran are attractive targets for larger players looking to expand production.

The details

Under the agreement, each share of Arizona Sonoran Copper will be exchanged for 0.242 of a common share of Hudbay Minerals. The boards of both companies have approved the deal, which is expected to close in the second quarter of 2026. The combined assets will create the third-largest copper district in North America, establishing a major hub for U.S. copper production.

  • The acquisition agreement was announced on March 8, 2026.
  • The deal is expected to close in the second quarter of 2026.

The players

Hudbay Minerals

A Canadian mining company that produces copper, zinc, gold and silver. The acquisition of Arizona Sonoran Copper will expand Hudbay's copper production capabilities in the U.S.

Arizona Sonoran Copper

A small-cap copper mining company that controls the Cactus copper project in Arizona. The company is being acquired by Hudbay Minerals.

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What they’re saying

“This acquisition creates a major copper production hub in the U.S. and strengthens our position as a leading North American copper producer.”

— Peter Kukielski, President and CEO of Hudbay Minerals (Press Release)

What’s next

The acquisition is expected to close in the second quarter of 2026, pending regulatory and shareholder approvals.

The takeaway

The Hudbay-Arizona Sonoran Copper deal highlights the growing value of copper assets as global demand rises. With many large copper mines aging, small-cap miners with promising projects are attractive acquisition targets for larger players looking to expand production.